Deuteronomy 7:22
English Revised Version
22And the LORD thy God will cast out those nations before thee by little and little: thou mayest not consume them at once, lest the beasts of the field increase upon thee.
English Revised Version
22And the LORD thy God will cast out those nations before thee by little and little: thou mayest not consume them at once, lest the beasts of the field increase upon thee.